CN112072484A - Power distribution cabinet capable of automatically extinguishing fire by thermal kinetic energy - Google Patents
Power distribution cabinet capable of automatically extinguishing fire by thermal kinetic energy Download PDFInfo
- Publication number
- CN112072484A CN112072484A CN202010967456.0A CN202010967456A CN112072484A CN 112072484 A CN112072484 A CN 112072484A CN 202010967456 A CN202010967456 A CN 202010967456A CN 112072484 A CN112072484 A CN 112072484A
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- CN
- China
- Prior art keywords
- cabinet body
- sliding plug
- fire
- fixedly connected
- power distribution
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/42—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with mechanical connection between sensor and actuator, e.g. rods, levers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a power distribution cabinet capable of automatically extinguishing fire by thermal kinetic energy, which comprises a cabinet body and a ventilation opening arranged on the side wall of the cabinet body, wherein a shutter is arranged in the ventilation opening, and the cabinet body is in a sealed state when the shutter is closed; a driving mechanism for driving the shutter to close is arranged in the cabinet body; and a fire extinguishing mechanism for extinguishing the fire source in the cabinet body is arranged at the inner top of the cabinet body. The invention can prevent outside air from entering the cabinet body, so that a fire source in the cabinet body can be extinguished due to insufficient oxygen, the fire can be prevented from spreading, the fire can be extinguished by a suffocation effect by reducing the oxygen concentration around the combustible or in the protective space, a large safety accident can be prevented, carbon dioxide gas can quickly reach the fire source, and the fire extinguishing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet capable of automatically extinguishing fire by thermal kinetic energy.
Background
The distribution cabinet is a final-stage device of a distribution system. The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; the motor control center is used for occasions with concentrated loads and more loops. They distribute the power of a certain circuit of the upper-level distribution equipment to the nearby loads. This level of equipment should provide protection, monitoring and control of the load.
The switch board can be because switch board internal line short circuit is on fire in the course of the work, and traditional switch board is inside not all to be equipped with the mechanism of putting out a fire, need artifical fire extinguishing system that uses in fire extinguisher or the building to put out a fire to the switch board, the artifical fire extinguishing needs certain reaction time, and put out a fire through the fire extinguishing system in the building and can not put out a fire to switch board inside, lead to the fire control effect poor, and then cause great incident easily, so, need design a switch board that thermal energy automatic fire extinguishing to solve above-mentioned problem.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a thermal kinetic energy automatic fire extinguishing power distribution cabinet.
In order to achieve the purpose, the invention adopts the following technical scheme:
a power distribution cabinet capable of automatically extinguishing fire by thermal kinetic energy comprises a cabinet body and a ventilation opening arranged on the side wall of the cabinet body, wherein a shutter is installed in the ventilation opening, and when the shutter is closed, the cabinet body is in a sealed state;
a driving mechanism for driving the shutter to close is arranged in the cabinet body;
and a fire extinguishing mechanism for extinguishing the fire source in the cabinet body is arranged at the inner top of the cabinet body.
Preferably, the driving mechanism comprises a sliding plug cylinder fixedly connected to the inner wall of the cabinet body, a sliding plug is connected in the sliding plug cylinder in a sealing and sliding manner, and the lower end of the sliding plug is elastically connected to the inner bottom of the sliding plug cylinder through a first spring;
the initial state of the first spring is a compressed state;
the upper end of the sliding plug is fixedly connected with a push rod, the upper end of the push rod is fixedly connected with a rack, a gear meshed with the rack is installed on the shutter, a groove is formed in the inner wall of the cabinet body, and the gear is located in the groove;
under the pushing of the rack, the gear can drive the shutter to close;
the inner wall of the cabinet body is also provided with a limiting mechanism for limiting the push rod:
when the limiting mechanism reaches a certain temperature threshold value, the push rod is not limited any more.
Preferably, the limiting mechanism comprises a piston cylinder fixedly connected to the inner wall of the cabinet body, and a piston is connected in the piston cylinder in a sealing and sliding manner;
the side wall of the piston is fixedly connected with a connecting pipe penetrating through the piston cylinder, and a sealing ring is arranged at the joint of the connecting pipe and the piston cylinder;
the piston cylinder positioned on the right side of the piston is filled with evaporation liquid;
the connecting pipe is internally and elastically connected with a bolt through a second spring, and a slot matched with the bolt is formed in the side wall of the push rod.
Preferably, the left end of the piston cylinder is provided with a constant pressure hole.
Preferably, the fire extinguishing mechanism comprises a carbon dioxide storage box fixedly connected to the top in the cabinet body, and a gate valve is mounted at the lower end of the carbon dioxide storage box;
the lower end of the carbon dioxide storage box is provided with a cavity communicated with the lower end of the sliding plug cylinder, a baffle plate is connected in the cavity in a sealing and sliding manner, and the baffle plate is fixedly connected with a valve rod of the gate valve through a connecting rod;
under the pushing of the first spring, the sliding plug moves upwards and drives the gate valve to open through the baffle plate.
Preferably, the inner wall of the cabinet body is fixedly connected with two mounting pipes which are arranged along the vertical direction;
through holes are uniformly distributed on one opposite side of the two mounting pipes;
two the installation pipe is located the opening part intercommunication of gate valve through air duct and carbon dioxide storage box.
The invention mainly has the following beneficial effects:
1. according to the invention, the driving mechanism is matched with the limiting mechanism, so that when the interior of the cabinet body is on fire, the evaporation volume of the evaporated liquid is increased, the bolt leaves the slot, the sliding plug moves upwards under the action of the elastic force of the first spring, the sliding plug drives the push rod to move upwards, the push rod drives the rack to move upwards, the rack drives the gear to rotate, the gear drives the shutter to rotate, and the shutter is closed, so that the cabinet body is in a sealed state, and the heat energy generated by combustion of a fire source and the elastic potential energy of the first spring are utilized to prevent external air from entering the cabinet body, so that the fire source in the cabinet body is extinguished due to insufficient oxygen, and the fire spread can be prevented;
2. according to the invention, the sliding plug moves upwards, so that gas in the cavity enters the sliding plug cylinder, the sliding plug moves leftwards under the action of air pressure, the sliding plug drives the connecting rod to move, the connecting rod drives the valve rod to move, and further the gate valve is opened, carbon dioxide gas in the carbon dioxide storage box enters the cabinet body, the oxygen concentration around combustible materials or in a protection space can be reduced, the fire extinguishing effect is generated to extinguish fire, the fire extinguishing efficiency of the device is further improved, and a large safety accident is prevented from being caused;
3. through setting up two installation pipes for when the switch board is inside to be on fire, carbon dioxide gas gets into in two installation pipes along the air duct, and spout in the through-hole from the through-hole, makes carbon dioxide gas can reach the burning things which may cause a fire disaster fast and locate, and then has improved fire extinguishing efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a thermal kinetic energy fire extinguishing distribution cabinet according to the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a sectional view taken along line B-B of FIG. 1;
FIG. 4 is a cross-sectional view taken along line C-C of FIG. 2;
FIG. 5 is an enlarged view of the structure at the position D of the thermal kinetic energy automatic fire extinguishing power distribution cabinet provided by the invention;
FIG. 6 is an enlarged view of the structure at E position of the thermal kinetic energy automatic fire extinguishing power distribution cabinet provided by the invention;
FIG. 7 is an enlarged view of the structure at the position F of the thermal kinetic energy automatic fire extinguishing power distribution cabinet provided by the invention;
fig. 8 is a schematic structural diagram of an embodiment 2 of the thermal kinetic energy automatic fire extinguishing power distribution cabinet provided by the invention.
In the figure: 1 cabinet body, 2 shutter, 3 carbon dioxide storage box, 4 sliding plug barrels, 5 racks, 6 gears, 7 ventilation openings, 8 grooves, 9 sliding plugs, 10 push rods, 11 slots, 12 piston barrels, 13 bolts, 14 pistons, 15 connecting pipes, 16 constant pressure holes, 17 cavities, 18 baffles, 19 gate valves, 20 connecting rods, 21 mounting pipes and 22 through holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-7, a thermal energy automatic fire extinguishing's switch board, includes the cabinet body 1 and sets up vent 7 on the cabinet body 1 lateral wall, installs shutter 2 in the vent 7, is equipped with the rubber pad on shutter 2, and when shutter 2 was closed, cabinet body 1 was a encapsulated situation, can prevent that the outside air from getting into in the cabinet body 1 to make the fire source extinguish because of can not obtain sufficient oxygen, prevent that the fire in the cabinet body 1 from stretching.
A driving mechanism for driving the shutter 2 to close is installed in the cabinet body 1, the driving mechanism comprises a sliding plug cylinder 4 fixedly connected to the inner wall of the cabinet body 1, a sliding plug 9 is connected in the sliding plug cylinder 4 in a sealing and sliding manner, the lower end of the sliding plug 9 is elastically connected to the inner bottom of the sliding plug cylinder 4 through a first spring, and the initial state of the first spring is a compression state;
the upper end of the sliding plug 9 is fixedly connected with a push rod 10, the upper end of the push rod 10 is fixedly connected with a rack 5, a gear 6 meshed with the rack 5 is installed on the shutter 2, a groove 8 is formed in the inner wall of the cabinet body 1, and the gear 6 is located in the groove 8;
under the pushing of the rack 5, the gear 6 can drive the shutter 2 to close;
the inner wall of the cabinet body 1 is also provided with a limiting mechanism for limiting the push rod 10: the limiting mechanism comprises a piston cylinder 12 fixedly connected to the inner wall of the cabinet body 1, a constant pressure hole 16 is formed in the left end portion of the piston cylinder 12, when fire breaks out in the cabinet body 1, the temperature in the cabinet body 1 rises rapidly, so that the temperature of the evaporated liquid rises rapidly, the evaporation volume of the evaporated liquid is increased, the air pressure on the right side of the piston 14 is larger than the air pressure on the left side of the piston 14, the piston 14 moves leftwards, and the piston 14 is connected in the piston cylinder 12 in a sealing sliding mode;
the side wall of the piston 14 is fixedly connected with a connecting pipe 15 penetrating through the piston cylinder 12, and a sealing ring is arranged at the joint of the connecting pipe 15 and the piston cylinder 12 to prevent evaporated liquid from leaking;
the piston cylinder 12 positioned at the right side of the piston 14 is filled with evaporation liquid;
the connecting pipe 15 is internally and elastically connected with a bolt 13 through a second spring, after the bolt 13 leaves the slot 11, the bolt 13 is tightly abutted against the slot 11 under the elastic force action of the second spring, after fire is extinguished, the evaporated liquid is cooled and liquefied, so that the volume of the evaporated liquid is reduced, the piston 14 moves rightwards under the action of air pressure and simultaneously extrudes the second spring, when the slot 11 is aligned with the bolt 13, the bolt 13 enters the slot 11 under the elastic force action of the spring, and the slot 11 matched with the bolt 13 is formed in the side wall of the push rod 10.
When the limiting mechanism reaches a certain temperature threshold value, the limiting mechanism does not limit the push rod 10 any more.
The fire extinguishing mechanism for extinguishing the fire source in the cabinet body 1 is arranged at the inner top of the cabinet body 1 and comprises a carbon dioxide storage box 3 fixedly connected to the inner top of the cabinet body 1, carbon dioxide gas can reduce oxygen concentration around combustible materials or in a protective space and generate a suffocation effect to extinguish fire, and a gate valve 19 is arranged at the lower end of the carbon dioxide storage box 3;
the lower end of the carbon dioxide storage box 3 is provided with a cavity 17 communicated with the lower end of the sliding plug cylinder 4, a baffle plate 18 is connected in the cavity 17 in a sealing and sliding manner, and the baffle plate 18 is fixedly connected with a valve rod of a gate valve 19 through a connecting rod 20;
under the promotion of first spring, sliding plug 9 rebound drives gate valve 19 through baffle 18 and opens, reach certain temperature threshold after, bolt 13 and connecting pipe 15 leave slot 11 under the drive of piston 14, push rod 10 rebound under the elastic force effect of first spring, push rod 10 drives sliding plug 9 rebound, and then make the gas in the cavity 17 get into sliding plug section of thick bamboo 4, sliding plug 9 moves left under the effect of atmospheric pressure, sliding plug 9 drives connecting rod 20 and removes, connecting rod 20 drives the valve rod and removes, and then makes gate valve 19 open.
The working principle of the embodiment is as follows: when the electric appliance element in the cabinet body 1 is on fire, the temperature in the cabinet body 1 rises rapidly, and then the temperature of the evaporation liquid rises rapidly, after the temperature of the evaporation liquid rises to a certain threshold value, the evaporation liquid becomes gas through evaporation, and then the volume of the evaporation liquid increases, thereby the piston 14 is pushed to move towards the direction away from the push rod 10, the piston 14 drives the connecting pipe 15 to move, the connecting pipe 15 drives the bolt 13 to move, when the bolt 13 leaves the slot 11, the sliding plug 9 moves upwards under the elastic action of the first spring, the sliding plug 9 drives the push rod 10 to move upwards, the push rod 10 drives the rack 5 to move upwards, the rack 5 drives the gear 6 to rotate, the gear 6 drives the shutter 2 to rotate, and then the shutter 2 is closed, and the cabinet body 1 is.
Meanwhile, in the process that the sliding plug 9 moves upwards, gas in the cavity 17 on the left side of the baffle 18 enters the sliding plug cylinder 4, the baffle 18 moves leftwards under the action of air pressure, the baffle 18 drives the connecting rod 20 to move leftwards, the connecting rod 20 drives the valve rod to move, the gate valve 19 is opened, carbon dioxide gas in the carbon dioxide storage box 3 enters the cabinet body 1, and a fire source in the cabinet body 1 can be extinguished.
Example 2
Referring to fig. 8, unlike embodiment 1, two mounting pipes 21 are fixedly connected to the inner wall of the cabinet 1;
through holes 22 are uniformly distributed on one opposite side of the two mounting tubes 21;
the two mounting tubes 21 are communicated with the opening of the carbon dioxide storage box 3 at the gate valve 19 through an air duct.
The working principle of the embodiment is as follows: when the gate valve 19 is opened, the carbon dioxide gas in the carbon dioxide storage box 3 enters the two mounting pipes 21 along the gas guide pipe and is sprayed out of the through holes 22, so that the carbon dioxide gas can quickly reach the fire source, and the fire extinguishing efficiency is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A power distribution cabinet capable of automatically extinguishing fire by thermal kinetic energy comprises a cabinet body (1) and a ventilation opening (7) arranged on the side wall of the cabinet body (1), wherein a blind window (2) is installed in the ventilation opening (7), and the power distribution cabinet is characterized in that the cabinet body (1) is in a sealed state when the blind window (2) is closed;
a driving mechanism for driving the shutter (2) to close is installed in the cabinet body (1);
the fire extinguishing mechanism for extinguishing the fire source in the cabinet body (1) is arranged at the inner top of the cabinet body (1).
2. A thermal power automatic fire extinguishing power distribution cabinet according to claim 1, wherein the driving mechanism comprises a sliding plug cylinder (4) fixedly connected to the inner wall of the cabinet body (1), a sliding plug (9) is hermetically and slidably connected in the sliding plug cylinder (4), and the lower end of the sliding plug (9) is elastically connected to the inner bottom of the sliding plug cylinder (4) through a first spring;
the initial state of the first spring is a compressed state;
a push rod (10) is fixedly connected to the upper end of the sliding plug (9), a rack (5) is fixedly connected to the upper end of the push rod (10), a gear (6) meshed with the rack (5) is mounted on the shutter (2), a groove (8) is formed in the inner wall of the cabinet body (1), and the gear (6) is located in the groove (8);
under the pushing of the rack (5), the gear (6) can drive the shutter (2) to close;
the inner wall of the cabinet body (1) is also provided with a limiting mechanism for limiting the push rod (10):
when the limiting mechanism reaches a certain temperature threshold value, the limiting mechanism does not limit the push rod (10) any more.
3. A thermal power automatic fire extinguishing power distribution cabinet according to claim 2, wherein the limiting mechanism comprises a piston cylinder (12) fixedly connected to the inner wall of the cabinet body (1), and a piston (14) is connected in the piston cylinder (12) in a sealing and sliding manner;
the side wall of the piston (14) is fixedly connected with a connecting pipe (15) penetrating through the piston cylinder (12), and a sealing ring is arranged at the joint of the connecting pipe (15) and the piston cylinder (12);
the piston cylinder (12) positioned on the right side of the piston (14) is filled with evaporation liquid;
the connecting pipe (15) is internally and elastically connected with a bolt (13) through a second spring, and the side wall of the push rod (10) is provided with a slot (11) matched with the bolt (13).
4. A thermal power automatic fire extinguishing distribution cabinet according to claim 3, characterized in that the left end of the piston cylinder (12) is provided with a constant pressure hole (16).
5. A thermal power automatic fire extinguishing power distribution cabinet according to claim 1, wherein the fire extinguishing mechanism comprises a carbon dioxide storage box (3) fixedly connected to the top inside the cabinet body (1), and the lower end of the carbon dioxide storage box (3) is provided with a gate valve (19);
the lower end of the carbon dioxide storage box (3) is provided with a cavity (17) communicated with the lower end of the sliding plug cylinder (4), a baffle plate (18) is connected in the cavity (17) in a sealing and sliding manner, and the baffle plate (18) is fixedly connected with a valve rod of a gate valve (19) through a connecting rod (20);
under the pushing of the first spring, the sliding plug (9) moves upwards and drives a gate valve (19) to open through a baffle plate (18).
6. A thermal kinetic energy automatic fire extinguishing power distribution cabinet according to claim 5, characterized in that two mounting pipes (21) arranged along the vertical direction are fixedly connected with the inner wall of the cabinet body (1);
through holes (22) are uniformly distributed on one opposite side of the two mounting pipes (21);
the two mounting pipes (21) are communicated with the opening of the carbon dioxide storage box (3) at the gate valve (19) through air ducts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010967456.0A CN112072484A (en) | 2020-09-15 | 2020-09-15 | Power distribution cabinet capable of automatically extinguishing fire by thermal kinetic energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010967456.0A CN112072484A (en) | 2020-09-15 | 2020-09-15 | Power distribution cabinet capable of automatically extinguishing fire by thermal kinetic energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112072484A true CN112072484A (en) | 2020-12-11 |
Family
ID=73695824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010967456.0A Withdrawn CN112072484A (en) | 2020-09-15 | 2020-09-15 | Power distribution cabinet capable of automatically extinguishing fire by thermal kinetic energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112072484A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090479A (en) * | 2021-04-29 | 2021-07-09 | 中国华能集团清洁能源技术研究院有限公司 | Ash removal heat abstractor for aerogenerator |
| CN113382610A (en) * | 2021-06-18 | 2021-09-10 | 武汉铁路职业技术学院 | Automatic electrical control cabinet of electric locomotive and working method |
| CN113394672A (en) * | 2021-08-13 | 2021-09-14 | 江苏大师兄电气设备有限公司 | Distribution switch cabinet with high safety performance |
| CN113473770A (en) * | 2021-06-11 | 2021-10-01 | 无锡润越机电科技有限公司 | Control cabinet with isolation structure |
| CN113926116A (en) * | 2021-11-10 | 2022-01-14 | 安徽继远软件有限公司 | Emergency fire-fighting system suitable for electric power scene |
| CN116169596A (en) * | 2023-03-16 | 2023-05-26 | 邓明秀 | Power cabinet power supply load monitoring system and monitoring method |
| CN116683112A (en) * | 2023-07-07 | 2023-09-01 | 江苏德耐美克电气有限公司 | Integrated box type energy storage cabinet |
| CN116722452A (en) * | 2023-08-09 | 2023-09-08 | 南京慧驰鑫机电科技有限公司 | Assembled switch board |
| CN117543396A (en) * | 2024-01-10 | 2024-02-09 | 河南泰隆电力设备股份有限公司 | Cooling device and cooling method for box-type substation |
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2020
- 2020-09-15 CN CN202010967456.0A patent/CN112072484A/en not_active Withdrawn
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090479A (en) * | 2021-04-29 | 2021-07-09 | 中国华能集团清洁能源技术研究院有限公司 | Ash removal heat abstractor for aerogenerator |
| CN113473770A (en) * | 2021-06-11 | 2021-10-01 | 无锡润越机电科技有限公司 | Control cabinet with isolation structure |
| CN113382610A (en) * | 2021-06-18 | 2021-09-10 | 武汉铁路职业技术学院 | Automatic electrical control cabinet of electric locomotive and working method |
| CN113394672B (en) * | 2021-08-13 | 2024-05-17 | 江苏大师兄电气设备有限公司 | High security performance's switch board |
| CN113394672A (en) * | 2021-08-13 | 2021-09-14 | 江苏大师兄电气设备有限公司 | Distribution switch cabinet with high safety performance |
| CN113926116A (en) * | 2021-11-10 | 2022-01-14 | 安徽继远软件有限公司 | Emergency fire-fighting system suitable for electric power scene |
| CN113926116B (en) * | 2021-11-10 | 2022-08-02 | 安徽继远软件有限公司 | Emergency fire-fighting system suitable for electric power scene |
| CN116169596A (en) * | 2023-03-16 | 2023-05-26 | 邓明秀 | Power cabinet power supply load monitoring system and monitoring method |
| CN116169596B (en) * | 2023-03-16 | 2023-08-18 | 国网湖北省电力有限公司荆州供电公司 | Power cabinet power supply load monitoring system and monitoring method |
| CN116683112A (en) * | 2023-07-07 | 2023-09-01 | 江苏德耐美克电气有限公司 | Integrated box type energy storage cabinet |
| CN116722452A (en) * | 2023-08-09 | 2023-09-08 | 南京慧驰鑫机电科技有限公司 | Assembled switch board |
| CN116722452B (en) * | 2023-08-09 | 2024-02-13 | 陕西高研智能科技有限公司 | Assembled switch board |
| CN117543396A (en) * | 2024-01-10 | 2024-02-09 | 河南泰隆电力设备股份有限公司 | Cooling device and cooling method for box-type substation |
| CN117543396B (en) * | 2024-01-10 | 2024-03-19 | 河南泰隆电力设备股份有限公司 | Cooling device and cooling method for box-type substation |
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Application publication date: 20201211 |